Railroad worker's widow keeps vigil

Mark Boster / Los Angeles Times

Pat Johnson carries a sign outside the Union Pacific rail yard in Wilmington. Pat's husband, Chuck, a Union Pacific employee, had a heart attack and fell from a platform in 2007. He died on the asphalt. Johnson believes something else went wrong.

Pat Johnson carries a sign outside the Union Pacific rail yard in Wilmington. Pat's husband, Chuck, a Union Pacific employee, had a heart attack and fell from a platform in 2007. He died on the asphalt. Johnson believes something else went wrong. (Mark Boster / Los Angeles Times)